Emergency Medicine Services of Tx, PLLC
NPI 1245938729 · Emergency Medicine Physician · San Antonio, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emergency Medicine Services of Tx, PLLC is a Emergency Medicine Physician organization in San Antonio, TX (NPI 1245938729).
Provider details
- NPI number
- 1245938729
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Vyvyan Derouen, President(615) 376-5076
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-02-23
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Emergency Medicine Services of Tx, PLLC's NPI number?
- Emergency Medicine Services of Tx, PLLC's National Provider Identifier (NPI) is 1245938729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Emergency Medicine Services of Tx, PLLC?
- Emergency Medicine Services of Tx, PLLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Emergency Medicine Services of Tx, PLLC located?
- Emergency Medicine Services of Tx, PLLC's practice location on file with NPPES is 7700 Floyd Curl Dr, San Antonio, TX 78229-3902.
- What is Emergency Medicine Services of Tx, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Emergency Medicine Services of Tx, PLLC is (210) 575-4000.
- Does Emergency Medicine Services of Tx, PLLC accept Medicare?
- Emergency Medicine Services of Tx, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Emergency Medicine Services of Tx, PLLC?
- The authorized official listed on Emergency Medicine Services of Tx, PLLC's NPPES record is Vyvyan Derouen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Emergency Medicine Services of Tx, PLLC's NPI active?
- Yes — Emergency Medicine Services of Tx, PLLC's NPI (1245938729) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.